DOE OSTI · 1100455
Studies of D⁺→{η',η,Φ}e⁺ν e
Abstract
We report the first observation of the decay D⁺→η'e⁺ν e in two analyses, which combined provide a branching fraction of B(D⁺→η'e⁺ν e )=(2.16±0.53±0.07)×10⁻⁴. We also provide an improved measurement of B(D⁺→ηe⁺ν e )=(11.4±0.9±0.4)×10⁻⁴, provide the first form factor measurement, and set the improved upper limit B(D⁺→Φe⁺ν e )<0.9×10⁻⁴ (90%C.L.).
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Yelton, J., Rubin, P., Lowrey, N., Mehrabyan, S., Selen, M., Wiss, J., Kornicer, M., Mitchell, R. E., Shepherd, M. R., Tarbert, C. M., Besson, D., Pedlar, T. K., Xavier, J., Cronin-Hennessy, D., Hietala, J., Zweber, P., Dobbs, S., Metreveli, Z., Seth, K. K., Tomaradze, A., Xiao, T., Brisbane, S., Libby, J., Martin, L., Powell, A., Spradlin, P., Wilkinson, G., Mendez, H., Ge, J. Y., Miller, D. H., Shipsey, I. P. J., Xin, B., Adams, G. S., Hu, D., Moziak, B., Napolitano, J., Ecklund, K. M., Insler, J., Muramatsu, H., Park, C. S., Pearson, L. J., Thorndike, E. H., Yang, F., Ricciardi, S., Thomas, C., Artuso, M., Blusk, S., Mountain, R., Skwarnicki, T., Stone, S., Wang, J. C., Zhang, L. M., Bonvicini, G., Cinabro, D., Lincoln, A., Smith, M. J., Zhou, P., Zhu, J., Naik, P., Rademacker, J., Asner, D. M., Edwards, K. W., Randrianarivony, K., Tatishvili, G., Briere, R. A., Vogel, H., Onyisi, P. U. E., Rosner, J. L., Alexander, J. P., Cassel, D. G., Das, S., Ehrlich, R., Fields, L., Gibbons, L., Gray, R., Gray, S. W., Hartill, D. L., Heltsley, B. K., Kreinick, D. L., Kuznetsov, V. E., Patterson, J. R., Peterson, D., Riley, D., Ryd, A., Sadoff, A. J., Shi, X., Sun, W. M.. 2011-08-02. Studies of D⁺→{η',η,Φ}e⁺ν e. https://doi.org/10.1103/physrevd.84.032001
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